diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index 01b1add18..521ccfaf1 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -483,6 +483,18 @@ std::string trim(std::string &str, const std::string &trimChars /*= " \n\r\t"*/)
 	return result.erase(0, result.find_first_not_of(trimChars));
 }
 
+std::string ltrim(std::string& str, const std::string& trimChars)
+{
+	str.erase(0, str.find_first_not_of(trimChars));
+	return str;
+}
+
+std::string rtrim(std::string& str, const std::string& trimChars)
+{
+    str.erase(str.find_last_not_of(trimChars) + 1);
+    return str;
+}
+
 std::string cutString(const std::string str, int msgFont, const int width)
 {
 	Font *msgFont_ = g_Font[msgFont];
diff --git a/src/system/helpers.h b/src/system/helpers.h
index 31029f314..fecac55ac 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -69,7 +69,9 @@ std::string getBaseName(std::string &path);
 std::string getFileName(std::string &file);
 std::string getFileExt(std::string &file);
 std::string getNowTimeStr(const char* format);
-std::string trim(std::string &str, const std::string &trimChars = " \n\r\t");
+std::string trim(std::string& str, const std::string& trimChars = " \n\r\t");
+std::string ltrim(std::string& str, const std::string& trimChars = " \n\r\t");
+std::string rtrim(std::string& str, const std::string& trimChars = " \n\r\t");
 std::string cutString(const std::string str, int msgFont, const int width);
 std::string strftime(const char *format, const struct tm *tm);
 std::string strftime(const char *format, time_t when, bool gm = false);